Quote:
Originally Posted by dancqu  Our usual B&W Films are sensitized well into the red.
When so the green through red sensitivity is well below
the film's inherent blue and shorter wave length sensitivity.
Manufacturers have failed to bring emulsions up to blue speed. |
If B&W films had across the spectrum sensitivity equal to their
blue sensitivity we would have Daylight B&W film. To use indoor
a blue-ish or cyan filter would be needed.
Daylight B&W film might be possible. As it stands a blue
de-sensitizer would need be found. Dan